NEWSTAR® meta-aramid works in two forms in environmental protection sector. One is needle punched non-wovens and the other is woven filtration fabrics. The final products are widely used in the metallurgy, cement, road construction areas to satisfy high-temperature gas filtration need. Needle punched non-wovens are available with or without scrims or anti-static fiber according to different standards and requirements. In nowadays China, needle punched non-wovens are more popular.